FREE TOOL
Overtime Pay Calculator
No data is sent to any server. All calculations run in your browser.
When to use this tool
- Want to check if overtime pay is being calculated correctly
- Want to claim unpaid overtime after leaving a job
- Want to verify if fixed overtime pay is fair
- Need to estimate 2-3 years of unpaid overtime
Salary Information
Used to calculate base hourly rate
Base pay + allowances (excl. family & commuting)
As stated in employment rules or contract
Typically 20-22 days for salaried workers
FAQ
Q残業代の時効は何年ですか？
Q固定残業代（みなし残業）は合法ですか？
Q付加金とは何ですか？
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The results are a general estimate based on standard criteria. In an individual matter the outcome will depend on the specific circumstances.
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